Type Specimens Of Birds In The American Museum Of Natural History. Part 7. Passeriformes: Sylviidae, Muscicapidae, Platysteiridae, Maluridae, Acanthizidae, Monarchidae, Rhipiduridae, And Petroicidae Author LeCroy, M. text Bulletin of the American Museum of Natural History 2008 2008-07-02 2008 313 1 287 journal article 0003-0090 Pachycephalopsis poliosoma idenburgi Rand Pachycephalopsis poliosoma idenburgi Rand, 1940b: 5 (altitude 1200 meters, 6 km . southwest of Bernhard Camp, Idenburg River, Netherland New Guinea ). Now Pachycephalopsis poliosoma idenburgi Rand, 1940 . See Dickinson, 2003: 520 . HOLOTYPE : AMNH 305666 , adult male, collected 6 km southwest of Bernhard Camp , 1200 m , ca. 03.30S , 139.15E ( Archbold et al., 1942 : map 1), Sungai Taritatu ( 5 Idenburg River ), Papua Province , Indonesia , on 2 March 1939 , by Richard Archbold , Austin L. Rand , and W.B. Richardson on the 1938– 1939 Archbold Expedition to New Guinea (no. 9800). COMMENTS : Rand cited the AMNH number of the holotype in the original description and gave measurements of five males and two females . The six paratypes , all from 6 km southwest of Bernhard Camp , 1200 m , Idenburg River , are: males, AMNH 341456 , 23 February 1939 , AMNH 341457 , 1 March 1939 , and AMNH 341458 , 3 March 1939 ; females, AMNH 341459 , 26 February 1939 , AMNH 341460 , 2 March 1939 ; and unsexed [but probably considered a male], AMNH 341461 , 5 March 1939 . Of these, AMNH 341458 and 341459 were exchanged to FMNH in the early 1960s, and AMNH 341461 was sent to MZB on 7 May 1957 . Rand (1942b) reported on all of the birds collected, and Archbold et al. (1942) provid- ed a summary of the 1938–1939 Archbold Expedition, which was also known as the Indisch-Amerikaansche Expeditie naar Nederlandsch Nieuw-Guinea.